html{
    width:100%;
    height: 100%;

}
body{
    width:90%;
    height: 90%;

    background: url("/css/images/main.png") fixed no-repeat;
    /*background: #013954;*/
    background-size: cover;

}
#Echarts{
   width:1600px;height:800px;
    margin: 0 auto; /*水平居中*/
    position: relative;
    top: 48%; /*偏移*/
    transform: translateY(-45%);
}

#Echarts1{
     width:1600px;height:800px;
     margin: 0 auto; /*水平居中*/
     position: relative;
     top: 48%; /*偏移*/
     transform: translateY(-45%);
 }
